package cn.itcast.tanhua.server.service;

import cn.hutool.core.bean.BeanUtil;
import cn.hutool.core.collection.CollUtil;
import cn.hutool.core.convert.Convert;
import cn.hutool.core.date.DateUtil;
import cn.hutool.core.util.ObjectUtil;
import cn.hutool.core.util.StrUtil;
import cn.itcast.tanhua.common.pojo.User;
import cn.itcast.tanhua.common.pojo.UserInfo;
import cn.itcast.tanhua.common.service.PicUploadService;
import cn.itcast.tanhua.common.utils.RelativeDateFormat;
import cn.itcast.tanhua.common.utils.UserThreadLocal;
import cn.itcast.tanhua.common.vo.PicUploadResult;
import cn.itcast.tanhua.dubbo.server.api.QuanZiApi;
import cn.itcast.tanhua.dubbo.server.api.VisitorsApi;
import cn.itcast.tanhua.dubbo.server.pojo.Comment;
import cn.itcast.tanhua.dubbo.server.pojo.Publish;
import cn.itcast.tanhua.dubbo.server.pojo.Visitors;
import cn.itcast.tanhua.dubbo.server.vo.PageInfo;
import cn.itcast.tanhua.server.vo.CommentVo;
import cn.itcast.tanhua.server.vo.PageResult;
import cn.itcast.tanhua.server.vo.QuanZiVo;
import cn.itcast.tanhua.server.vo.VisitorsVo;
import com.alibaba.dubbo.config.annotation.Reference;
import org.apache.commons.lang3.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.web.multipart.MultipartFile;

import java.util.*;
import java.util.function.Function;
import java.util.stream.Collectors;

/**
 * @ClassName QuanZiService
 * @Description 圈子接口业务类，调用dubbo实现功能
 * @Author WU
 * @Date 2021/5/31 11:07
 * @Version 1.0
 */
@Service
public class QuanZiService {

        @Reference(version = "1.0.0")
        private QuanZiApi quanZiApi;

        @Reference(version = "1.0.0")
        private VisitorsApi visitorsApi;

        @Autowired
        private UserService userService;

        @Autowired
        private UserInfoService userInfoService;

        @Autowired
        private PicUploadService picUploadService;

        @Autowired
        private QuanziMQService quanziMQService;

        public PageResult queryPublishList(Integer page, Integer pageSize) {
            //分析：通过dubbo中的服务查询用户的好友动态
            //通过mysql查询用户的信息，回写到结果对象中（QuanZiVo）

            PageResult pageResult = new PageResult();
            pageResult.setPage(page);
            pageResult.setPagesize(pageSize);

            //直接从ThreadLocal中获取对象
            User user = UserThreadLocal.get();

            //通过dubbo查询数据
            PageInfo<Publish> pageInfo = this.quanZiApi.queryPublishList(user.getId(), page, pageSize);
            List<Publish> records = pageInfo.getRecords();
            if (CollUtil.isEmpty(records)) {
                return pageResult;
            }

            pageResult.setItems(this.fillQuanZiVo(records));
            return pageResult;
        }

        /**
         * 填充用户信息
         *
         * @param userInfo
         * @param quanZiVo
         */
        private void fillUserInfoToQuanZiVo(UserInfo userInfo, QuanZiVo quanZiVo) {
            BeanUtil.copyProperties(userInfo, quanZiVo, "id");
            quanZiVo.setGender(userInfo.getSex().name().toLowerCase());
            quanZiVo.setTags(StringUtils.split(userInfo.getTags(), ','));

            //当前用户
            User user = UserThreadLocal.get();

            quanZiVo.setCommentCount(0); //TODO 评论数
            quanZiVo.setDistance("1.2公里"); //TODO 距离
            quanZiVo.setHasLiked(this.quanZiApi.queryUserIsLike(user.getId(), quanZiVo.getId()) ? 1 : 0); //是否点赞（1是，0否）
            quanZiVo.setLikeCount(Convert.toInt(this.quanZiApi.queryLikeCount(quanZiVo.getId()))); //点赞数
            quanZiVo.setHasLoved(this.quanZiApi.queryUserIsLove(user.getId(), quanZiVo.getId()) ? 1 : 0); //是否喜欢（1是，0否）
            quanZiVo.setLoveCount(Convert.toInt(this.quanZiApi.queryLoveCount(quanZiVo.getId()))); //喜欢数
        }

        /**
         * 根据查询到的publish集合填充QuanZiVo对象
         *
         * @param records
         * @return
         */
        private List<QuanZiVo> fillQuanZiVo(List<Publish> records) {
            List<QuanZiVo> quanZiVoList = new ArrayList<>();
            records.forEach(publish -> {
                QuanZiVo quanZiVo = new QuanZiVo();
                quanZiVo.setId(publish.getId().toHexString());
                quanZiVo.setTextContent(publish.getText());
                quanZiVo.setImageContent(publish.getMedias().toArray(new String[]{}));
                quanZiVo.setUserId(publish.getUserId());
                quanZiVo.setCreateDate(RelativeDateFormat.format(new Date(publish.getCreated())));

                quanZiVoList.add(quanZiVo);
            });

            //查询用户信息
            List<Object> userIds = CollUtil.getFieldValues(records, "userId");
            List<UserInfo> userInfoList = this.userInfoService.queryUserInfoByUserIdList(userIds);
            for (QuanZiVo quanZiVo : quanZiVoList) {
                //找到对应的用户信息
                for (UserInfo userInfo : userInfoList) {
                    if (quanZiVo.getUserId().longValue() == userInfo.getUserId().longValue()) {
                        this.fillUserInfoToQuanZiVo(userInfo, quanZiVo);
                        break;
                    }
                }
            }

            return quanZiVoList;
        }

        /**
         * 发布动态
         *
         * @param textContent
         * @param location
         * @param latitude
         * @param longitude
         * @param multipartFile
         * @return
         */
        public String savePublish(String textContent,
                                  String location,
                                  String latitude,
                                  String longitude,
                                  MultipartFile[] multipartFile) {
            //查询当前的登录信息
            User user = UserThreadLocal.get();

            Publish publish = new Publish();
            publish.setUserId(user.getId());
            publish.setText(textContent);
            publish.setLocationName(location);
            publish.setLatitude(latitude);
            publish.setLongitude(longitude);
            publish.setSeeType(1);

            List<String> picUrls = new ArrayList<>();
            //图片上传
            for (MultipartFile file : multipartFile) {
                PicUploadResult picUploadResult = this.picUploadService.upload(file);
                picUrls.add(picUploadResult.getName());
            }

            publish.setMedias(picUrls);
            String publishId = this.quanZiApi.savePublish(publish);

            if(StrUtil.isNotEmpty(publishId)){
                //发送消息
                this.quanziMQService.publishMsg(publishId);
            }

            return publishId;
        }

        public PageResult queryRecommendPublishList(Integer page, Integer pageSize) {
            //分析：通过dubbo中的服务查询系统推荐动态
            //通过mysql查询用户的信息，回写到结果对象中（QuanZiVo）

            PageResult pageResult = new PageResult();
            pageResult.setPage(page);
            pageResult.setPagesize(pageSize);

            //直接从ThreadLocal中获取对象
            User user = UserThreadLocal.get();

            //通过dubbo查询数据
            PageInfo<Publish> pageInfo = this.quanZiApi.queryRecommendPublishList(user.getId(), page, pageSize);
            List<Publish> records = pageInfo.getRecords();
            if (CollUtil.isEmpty(records)) {
                return pageResult;
            }

            pageResult.setItems(this.fillQuanZiVo(records));
            return pageResult;
        }

        /**
         * 动态点赞
         * @param publishId
         * @return
         */
        public Long likeComment(String publishId) {
            User user = UserThreadLocal.get();

            Boolean result = this.quanZiApi.likeComment(user.getId(), publishId);
            if (result) {

                //发消息
                this.quanziMQService.likePublishMsg(publishId);

                //查询点赞数
                return this.quanZiApi.queryLikeCount(publishId);
            }
            return null;
        }

        /**
         * 动态的取消点赞
         *
         * @param publishId
         * @return
         */
        public Long disLikeComment(String publishId) {
            User user = UserThreadLocal.get();

            Boolean result = this.quanZiApi.disLikeComment(user.getId(), publishId);
            if (result) {
                //发消息
                this.quanziMQService.disLikePublishMsg(publishId);
                //查询点赞数
                return this.quanZiApi.queryLikeCount(publishId);
            }
            return null;
        }

        public Long loveComment(String publishId) {
            User user = UserThreadLocal.get();
            //喜欢
            Boolean result = this.quanZiApi.loveComment(user.getId(), publishId);
            if(result){
                //发消息
                this.quanziMQService.lovePublishMsg(publishId);
                //查询喜欢数
                return this.quanZiApi.queryLoveCount(publishId);
            }
            return null;
        }

        public Long disLoveComment(String publishId) {
            User user = UserThreadLocal.get();
            //取消喜欢
            Boolean result = this.quanZiApi.disLoveComment(user.getId(), publishId);
            if(result){
                //发消息
                this.quanziMQService.disLovePublishMsg(publishId);
                //查询喜欢数
                return this.quanZiApi.queryLoveCount(publishId);
            }
            return null;
        }

        public QuanZiVo queryById(String publishId) {
            Publish publish = this.quanZiApi.queryPublishById(publishId);
            if (publish == null) {
                return null;
            }

            //发消息
            this.quanziMQService.queryPublishMsg(publishId);

            return this.fillQuanZiVo(Arrays.asList(publish)).get(0);
        }

        /**
         * 查询评论列表
         *
         * @param publishId
         * @param page
         * @param pageSize
         * @return
         */
        public PageResult queryCommentList(String publishId, Integer page, Integer pageSize) {

            PageResult pageResult = new PageResult();
            pageResult.setPage(page);
            pageResult.setPagesize(pageSize);

            User user = UserThreadLocal.get();

            //查询评论列表数据
            PageInfo<Comment> pageInfo = this.quanZiApi.queryCommentList(publishId, page, pageSize);
            List<Comment> records = pageInfo.getRecords();
            if(CollUtil.isEmpty(records)){
                return pageResult;
            }

            //查询用户信息
            List<Object> userIdList = CollUtil.getFieldValues(records, "userId");
            List<UserInfo> userInfoList = this.userInfoService.queryUserInfoByUserIdList(userIdList);

            List<CommentVo> result = new ArrayList<>();
            for (Comment record : records) {
                CommentVo commentVo = new CommentVo();
                commentVo.setContent(record.getContent());
                commentVo.setId(record.getId().toHexString());
                commentVo.setCreateDate(DateUtil.format(new Date(record.getCreated()), "HH:mm"));
                //是否点赞
                commentVo.setHasLiked(this.quanZiApi.queryUserIsLike(user.getId(), commentVo.getId()) ? 1 : 0);
                //点赞数
                commentVo.setLikeCount(Convert.toInt(this.quanZiApi.queryLikeCount(commentVo.getId())));


                for (UserInfo userInfo : userInfoList) {
                    if(ObjectUtil.equals(record.getUserId(), userInfo.getUserId())){

                        commentVo.setAvatar(userInfo.getLogo());
                        commentVo.setNickname(userInfo.getNickName());

                        break;
                    }
                }

                result.add(commentVo);
            }

            pageResult.setItems(result);

            return pageResult;
        }

        /**
         * 发表评论
         * @param publishId
         * @param content
         * @return
         */
        public Boolean saveComments(String publishId, String content) {
            User user = UserThreadLocal.get();
            Boolean result = this.quanZiApi.saveComment(user.getId(), publishId, content);

            if(result){
                //发消息
                this.quanziMQService.commentPublishMsg(publishId);
            }

            return result;
        }

        public PageResult queryAlbumList(Long userId, Integer page, Integer pageSize) {
            PageResult pageResult = new PageResult();
            pageResult.setPage(page);
            pageResult.setPagesize(pageSize);

            //查询数据
            PageInfo<Publish> pageInfo = this.quanZiApi.queryAlbumList(userId, page, pageSize);
            if(CollUtil.isEmpty(pageInfo.getRecords())){
                return pageResult;
            }

            //填充数据
            pageResult.setItems(this.fillQuanZiVo(pageInfo.getRecords()));

            return pageResult;
        }

        public List<VisitorsVo> queryVisitorsList() {
            User user = UserThreadLocal.get();
            List<Visitors> visitorsList = this.visitorsApi.queryMyVisitor(user.getId());
            if (CollUtil.isEmpty(visitorsList)) {
                return Collections.emptyList();
            }

            List<Object> userIds = CollUtil.getFieldValues(visitorsList, "visitorUserId");
            List<UserInfo> userInfoList = this.userInfoService.queryUserInfoByUserIdList(userIds);

            List<VisitorsVo> visitorsVoList = new ArrayList<>();

            for (Visitors visitor : visitorsList) {
                for (UserInfo userInfo : userInfoList) {
                    if (ObjectUtil.equals(visitor.getVisitorUserId(), userInfo.getUserId())) {

                        VisitorsVo visitorsVo = new VisitorsVo();
                        visitorsVo.setAge(userInfo.getAge());
                        visitorsVo.setAvatar(userInfo.getLogo());
                        visitorsVo.setGender(userInfo.getSex().name().toLowerCase());
                        visitorsVo.setId(userInfo.getUserId());
                        visitorsVo.setNickname(userInfo.getNickName());
                        visitorsVo.setTags(StringUtils.split(userInfo.getTags(), ','));
                        visitorsVo.setFateValue(visitor.getScore().intValue());

                        visitorsVoList.add(visitorsVo);
                        break;
                    }
                }
            }

            return visitorsVoList;
        }
}

